Finding the Fourth Proportional to 416,165.48, 574,304.28 and 225,174.68
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Solution
The fourth proportional to 416,165.48, 574,304.28 and 225,174.68 is: 310,738.85
Step by Step Solution
- Step 1: Write the proportion equation
416,165.48 : 574,304.28 = 225,174.68 : x - Step 2: Convert to fraction form
416,165.48/574,304.28 = 225,174.68/x - Step 3: Cross multiply
416,165.48x = 574,304.28 × 225,174.68 - Step 4: Simplify right side
416,165.48x = 129,318,782,471.63 - Step 5: Solve for x
x = 129,318,782,471.63/416,165.48 - Step 6: Final answer
x = 310,738.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.